Modular chest back pack

Details Modular chest back pack Modular chest back pack

1976-08-30

1978-04-04

Blix, Trygve M.

Package and article carriers

Miscellaneous

220 4D, 224 45G, 220410, A45F 304

Patent

active

040822087

ABSTRACT:
A back pack assembly including a plurality of hollow container sections to be stacked vertically and contain ice or another cooling or heating substance located within one of the sections, with at least one other section having its interior in communication with the first to have its contents cooled or heated by said substance.

REFERENCES:
patent: 922046 (1909-05-01), Royce
patent: 2396346 (1946-03-01), Roody, Jr.
patent: 2456481 (1948-12-01), Ballantyne et al.
patent: 3618759 (1971-11-01), Kolasinski et al.
patent: 3623634 (1971-11-01), Norgard
patent: 3811559 (1974-05-01), Carter
patent: 3851754 (1974-12-01), Jones
patent: 3908852 (1975-09-01), Ricobene et al.
patent: 3980216 (1976-09-01), Nye
patent: 4020986 (1977-05-01), McAtee

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